Simpson Strong-Tie 1-3/4-in 3/8-in Torx Steel Hex Shank Screwdriver Bit

Simpson Strong-Tie® industrial-grade driver bits are designed for a secure fit with Simpson Strong-Tie fasteners. Available in square, 6-lobe and hex-drive configurations, these driver bits will outperform substandard bits commonly prone to cam-out and stripping. Note: undersized bits (designated by a “U” in the model number) are for use with coated fasteners.